(a)[8]
Describe how chlorophyll is photoactivated and how it functions in cyclic photophosphorylation.
(b)[7]
Explain briefly how reduced NADP is produced in the light-dependent stage and how it is used in the light-independent stage.
Biology 9700 · AS & A Level · Photosynthesis as an energy transfer process
Describe how chlorophyll is photoactivated and how it functions in cyclic photophosphorylation.
Explain briefly how reduced NADP is produced in the light-dependent stage and how it is used in the light-independent stage.
This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “photosynthetic pigments organised into light-harvesting clusters” …